EC_GROUP_cmp
if (EC_GROUP_cmp(g, eg, NULL) == 0)
if (EC_GROUP_cmp(group_a, group_b, NULL))
int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx);
&& EC_GROUP_cmp(group_priv, group_peer, ctx) == 0;
&& EC_GROUP_cmp(group1, group2, ctx) == 0;
&& EC_GROUP_cmp(group_a, group_b, ctx) == 0;
|| !TEST_int_eq(EC_GROUP_cmp(g, ga, ctx), 0))
|| !TEST_int_eq(EC_GROUP_cmp(group, group2, NULL), 0))
|| !TEST_int_eq(EC_GROUP_cmp(group_nmd, group_nmd2, NULL), 0)
|| !TEST_int_eq(EC_GROUP_cmp(group_nmd, group_nmd3, NULL), 0))
|| !TEST_int_eq(EC_GROUP_cmp(group_exp, group_exp2, NULL), 0))